Abstract
Analyses of individuals classically treated as Juniperus oxycedrus L. var. oxycedrus from Morocco, Portugal, Spain, France, Italy, Greece and Turkey, using DNA sequencing of nrDNA (ITS 1, 5.8S, ITS 2) plus RAPDs, leaf terpenoids and morphology revealed that two cryptic, genetically distinct but morphologically almost identical species are present. These species, J. oxycedrus L. var. oxycedrus and Juniperus deltoides R.P. Adams, are about as different from each other as Juniperus navicularis and Juniperus macrocarpa are from J. oxycedrus var. oxycedrus. Examination of herbarium specimens revealed that the two species are largely allopatric with J. deltoides occurring from Italy eastward through Turkey into the Caucasus Mts. and Iran. J. oxycedrus var. oxycedrus appears to be largely concentrated west of Italy (France, Spain, Portugal, Morocco). Cryptic speciation is discussed.
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